C#实现的滚动网页截图功能示例

using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Windows.Forms;namespace WindowsFormsApplication1{  public partial class Form1 : Form  {    private int _currentWidth = 1024;    private Bitmap _currentBitmap = null;    public Form1()    {      InitializeComponent();    }private void button1_Click(object sender, EventArgs e){  if (webBrowser1.Document == null)    return;  try  {    int width = _currentWidth;    int height = webBrowser1.Document.Body.ScrollRectangle.Height;    webBrowser1.Width = width;    webBrowser1.Height = height;    _currentBitmap = new Bitmap(width, height);    webBrowser1.Stop();    webBrowser1.DrawToBitmap(_currentBitmap, new Rectangle(0, 0, width, height));    pictureBox1.Image = _currentBitmap;  }  catch (Exception ex)  {    MessageBox.Show(ex.ToString(), "遇到错误", MessageBoxButtons.OK, MessageBoxIcon.Error);  }}  }}